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Diffstat (limited to '6.5.0/gentoo/04_all_default-ssp-fix.patch')
-rw-r--r--6.5.0/gentoo/04_all_default-ssp-fix.patch38
1 files changed, 38 insertions, 0 deletions
diff --git a/6.5.0/gentoo/04_all_default-ssp-fix.patch b/6.5.0/gentoo/04_all_default-ssp-fix.patch
new file mode 100644
index 0000000..cbbd522
--- /dev/null
+++ b/6.5.0/gentoo/04_all_default-ssp-fix.patch
@@ -0,0 +1,38 @@
+Disable ssp on -nostdlib, -nodefaultlibs and -ffreestanding
+Change the buffer size.
+
+--- a/gcc/gcc.c 2017-07-04 09:15:57.740793000 +0200
++++ b/gcc/gcc.c 2018-03-02 13:58:44.387741114 +0100
+@@ -857,6 +857,12 @@ proper position among the other output f
+ #define LINK_GCC_C_SEQUENCE_SPEC "%G %L %G"
+ #endif
+
++#ifdef ENABLE_DEFAULT_SSP
++#define NO_SSP_SPEC "%{nostdlib|nodefaultlibs|ffreestanding:-fno-stack-protector} "
++#else
++#define NO_SSP_SPEC ""
++#endif
++
+ #ifndef LINK_SSP_SPEC
+ #ifdef TARGET_LIBC_PROVIDES_SSP
+ #define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \
+@@ -1131,7 +1148,7 @@ static const char *cc1_options =
+ %{-version:--version}\
+ %{-help=*:--help=%*}\
+ %{!fsyntax-only:%{S:%W{o*}%{!o*:-o %b.s}}}\
+- %{fsyntax-only:-o %j} %{-param*}\
++ %{fsyntax-only:-o %j} %{-param*} " NO_SSP_SPEC "\
+ %{coverage:-fprofile-arcs -ftest-coverage}";
+
+ static const char *asm_options =
+--- a/gcc/params.def 2016-03-30 09:47:40.000000000 +0200
++++ b/gcc/params.def 2016-09-19 12:56:58.443179039 +0200
+@@ -673,7 +673,7 @@ DEFPARAM (PARAM_INTEGER_SHARE_LIMIT,
+ DEFPARAM (PARAM_SSP_BUFFER_SIZE,
+ "ssp-buffer-size",
+ "The lower bound for a buffer to be considered for stack smashing protection.",
+- 8, 1, 0)
++ 4, 1, 0)
+
+ DEFPARAM (PARAM_MIN_SIZE_FOR_STACK_SHARING,
+ "min-size-for-stack-sharing",